Google Nexus One owners have been waiting for the official announcement of the Froyo upgrade from Google and although there have been many rumors and false hopes in when this would happen, Google has officially confirmed the Android 2.2 Froyo OTA update for all you Nexus One owners. Below is a statement from Google:

Starting today, Nexus One users will begin to receive the Android 2.2 (codenamed Froyo) over-the-air software update on their phones… In order to access the update, you will receive a message on your phone’s notification bar. Just download the update, wait for it to install, and you should be all set. This update will be rolled out gradually to phones – and most users will receive the notification by the end of the week